Answer:
There are many ways you could answer this question.
Explanation:
If it is a physicl copy, you should store it with your other important doncuments of course, or have protective sheets on or around it for safety. If you are talking legally, a notarized document is always going to be more official that a non notarized document, so if you get it notarized, then you can protect yourself and the importance of the document legally.
They are mixed, and the proportions are correct.
Answer:
2.456 x 10^11
Explanation:
Go Search scientific notation convertor by calculator soup on the internet
